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2014-07-13T22:50:57+03:00
0,3(7)= (37-3)/90=  34/90= 17/45

4/75 :17/45= 4/75 * 45/17= 4/5 * 3/17=  12/85= 0,141

0,(571419)= 571419/999 999= 190 473/333 333= 63 491/111 111

63 491/111 111 :1/12= 63 491/111 111 * 12=  761 892/111 111= 6,857
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